a(n) = 11*n + 4.

Terms

a(0) =4a(1) =15a(2) =26a(3) =37a(4) =48a(5) =59a(6) =70a(7) =81a(8) =92a(9) =103a(10) =114a(11) =125a(12) =136a(13) =147a(14) =158a(15) =169a(16) =180a(17) =191a(18) =202a(19) =213a(20) =224a(21) =235a(22) =246a(23) =257a(24) =268a(25) =279a(26) =290a(27) =301a(28) =312a(29) =323